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restic/vendor/cloud.google.com/go/storage/storage_test.go
2017-08-06 21:47:56 +02:00

703 lines
20 KiB
Go

// Copyright 2014 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package storage
import (
"crypto/tls"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"log"
"net"
"net/http"
"net/http/httptest"
"strings"
"testing"
"time"
"cloud.google.com/go/internal/testutil"
"golang.org/x/net/context"
"google.golang.org/api/iterator"
"google.golang.org/api/option"
raw "google.golang.org/api/storage/v1"
)
func TestSignedURL(t *testing.T) {
t.Parallel()
expires, _ := time.Parse(time.RFC3339, "2002-10-02T10:00:00-05:00")
url, err := SignedURL("bucket-name", "object-name", &SignedURLOptions{
GoogleAccessID: "xxx@clientid",
PrivateKey: dummyKey("rsa"),
Method: "GET",
MD5: "ICy5YqxZB1uWSwcVLSNLcA==",
Expires: expires,
ContentType: "application/json",
Headers: []string{"x-header1", "x-header2"},
})
if err != nil {
t.Error(err)
}
want := "https://storage.googleapis.com/bucket-name/object-name?" +
"Expires=1033570800&GoogleAccessId=xxx%40clientid&Signature=" +
"ZMw18bZVhySNYAMEX87RMyuZCUMtGLVi%2B2zU2ByiQ0Rxgij%2BhFZ5LsT" +
"5ZPIH5h3QXB%2BiSb1URJnZo3aF0exVP%2FYR1hpg2e65w9HHt7yYjIqcg" +
"%2FfAOIyxriFtgRYk3oAv%2FFLF62fI8iF%2BCp0fWSm%2FHggz22blVnQz" +
"EtSP%2BuRhFle4172L%2B710sfMDtyQLKTz6W4TmRjC9ymTi8mVj95dZgyF" +
"RXbibTdtw0JzndE0Ig4c6pU4xDPPiyaziUSVDMIpzZDJH1GYOGHxbFasba4" +
"1rRoWWkdBnsMtHm2ck%2FsFD2leL6u8q0OpVAc4ZdxseucL4OpCy%2BCLhQ" +
"JFQT5bqSljP0g%3D%3D"
if url != want {
t.Fatalf("Unexpected signed URL; found %v", url)
}
}
func TestSignedURL_PEMPrivateKey(t *testing.T) {
t.Parallel()
expires, _ := time.Parse(time.RFC3339, "2002-10-02T10:00:00-05:00")
url, err := SignedURL("bucket-name", "object-name", &SignedURLOptions{
GoogleAccessID: "xxx@clientid",
PrivateKey: dummyKey("pem"),
Method: "GET",
MD5: "ICy5YqxZB1uWSwcVLSNLcA==",
Expires: expires,
ContentType: "application/json",
Headers: []string{"x-header1", "x-header2"},
})
if err != nil {
t.Error(err)
}
want := "https://storage.googleapis.com/bucket-name/object-name?" +
"Expires=1033570800&GoogleAccessId=xxx%40clientid&Signature=" +
"gHlh63sOxJnNj22X%2B%2F4kwOSNMeqwXWr4udEfrzJPQcq1xzxA8ovMM5SOrOc%" +
"2FuE%2Ftc9%2Bq7a42CDBwZff1PsvuJMBDaPbluU257h%2Bvxx8lHMnb%2Bg1wD1" +
"99FiCE014MRH9TlIg%2FdXRkErosVWTy4GqAgZemmKHo0HwDGT6IovB9mdg%3D"
if url != want {
t.Fatalf("Unexpected signed URL; found %v", url)
}
}
func TestSignedURL_SignBytes(t *testing.T) {
t.Parallel()
expires, _ := time.Parse(time.RFC3339, "2002-10-02T10:00:00-05:00")
url, err := SignedURL("bucket-name", "object-name", &SignedURLOptions{
GoogleAccessID: "xxx@clientid",
SignBytes: func(b []byte) ([]byte, error) {
return []byte("signed"), nil
},
Method: "GET",
MD5: "ICy5YqxZB1uWSwcVLSNLcA==",
Expires: expires,
ContentType: "application/json",
Headers: []string{"x-header1", "x-header2"},
})
if err != nil {
t.Error(err)
}
want := "https://storage.googleapis.com/bucket-name/object-name?" +
"Expires=1033570800&GoogleAccessId=xxx%40clientid&Signature=" +
"c2lnbmVk" // base64('signed') == 'c2lnbmVk'
if url != want {
t.Fatalf("Unexpected signed URL\ngot: %q\nwant: %q", url, want)
}
}
func TestSignedURL_URLUnsafeObjectName(t *testing.T) {
t.Parallel()
expires, _ := time.Parse(time.RFC3339, "2002-10-02T10:00:00-05:00")
url, err := SignedURL("bucket-name", "object name界", &SignedURLOptions{
GoogleAccessID: "xxx@clientid",
PrivateKey: dummyKey("pem"),
Method: "GET",
MD5: "ICy5YqxZB1uWSwcVLSNLcA==",
Expires: expires,
ContentType: "application/json",
Headers: []string{"x-header1", "x-header2"},
})
if err != nil {
t.Error(err)
}
want := "https://storage.googleapis.com/bucket-name/object%20name%E7%95%8C?" +
"Expires=1033570800&GoogleAccessId=xxx%40clientid&Signature=" +
"LSxs1YwXNKOa7mQv1ZAI2ao0Fuv6yXLLU7%2BQ97z2B7hYZ57OiFwQ72EdGXSiIM" +
"JwLisEKkwoSlYCMm3uuTdgJtXXVi7SYXMfdeKaonyQwMv531KETCBTSewt8CW%2B" +
"FaUJ5SEYG44SeJCiqeIr3GF7t90UNWs6TdFXDaKShpQzBGg%3D"
if url != want {
t.Fatalf("Unexpected signed URL; found %v", url)
}
}
func TestSignedURL_MissingOptions(t *testing.T) {
t.Parallel()
pk := dummyKey("rsa")
expires, _ := time.Parse(time.RFC3339, "2002-10-02T10:00:00-05:00")
var tests = []struct {
opts *SignedURLOptions
errMsg string
}{
{
&SignedURLOptions{},
"missing required GoogleAccessID",
},
{
&SignedURLOptions{GoogleAccessID: "access_id"},
"exactly one of PrivateKey or SignedBytes must be set",
},
{
&SignedURLOptions{
GoogleAccessID: "access_id",
SignBytes: func(b []byte) ([]byte, error) { return b, nil },
PrivateKey: pk,
},
"exactly one of PrivateKey or SignedBytes must be set",
},
{
&SignedURLOptions{
GoogleAccessID: "access_id",
PrivateKey: pk,
},
"missing required method",
},
{
&SignedURLOptions{
GoogleAccessID: "access_id",
SignBytes: func(b []byte) ([]byte, error) { return b, nil },
},
"missing required method",
},
{
&SignedURLOptions{
GoogleAccessID: "access_id",
PrivateKey: pk,
Method: "PUT",
},
"missing required expires",
},
{
&SignedURLOptions{
GoogleAccessID: "access_id",
PrivateKey: pk,
Method: "PUT",
Expires: expires,
MD5: "invalid",
},
"invalid MD5 checksum",
},
}
for _, test := range tests {
_, err := SignedURL("bucket", "name", test.opts)
if !strings.Contains(err.Error(), test.errMsg) {
t.Errorf("expected err: %v, found: %v", test.errMsg, err)
}
}
}
func dummyKey(kind string) []byte {
slurp, err := ioutil.ReadFile(fmt.Sprintf("./testdata/dummy_%s", kind))
if err != nil {
log.Fatal(err)
}
return slurp
}
func TestCopyToMissingFields(t *testing.T) {
t.Parallel()
var tests = []struct {
srcBucket, srcName, destBucket, destName string
errMsg string
}{
{
"mybucket", "", "mybucket", "destname",
"name is empty",
},
{
"mybucket", "srcname", "mybucket", "",
"name is empty",
},
{
"", "srcfile", "mybucket", "destname",
"name is empty",
},
{
"mybucket", "srcfile", "", "destname",
"name is empty",
},
}
ctx := context.Background()
client, err := NewClient(ctx, option.WithHTTPClient(&http.Client{Transport: &fakeTransport{}}))
if err != nil {
panic(err)
}
for i, test := range tests {
src := client.Bucket(test.srcBucket).Object(test.srcName)
dst := client.Bucket(test.destBucket).Object(test.destName)
_, err := dst.CopierFrom(src).Run(ctx)
if !strings.Contains(err.Error(), test.errMsg) {
t.Errorf("CopyTo test #%v:\ngot err %q\nwant err %q", i, err, test.errMsg)
}
}
}
func TestObjectNames(t *testing.T) {
t.Parallel()
// Naming requirements: https://cloud.google.com/storage/docs/bucket-naming
const maxLegalLength = 1024
type testT struct {
name, want string
}
tests := []testT{
// Embedded characters important in URLs.
{"foo % bar", "foo%20%25%20bar"},
{"foo ? bar", "foo%20%3F%20bar"},
{"foo / bar", "foo%20/%20bar"},
{"foo %?/ bar", "foo%20%25%3F/%20bar"},
// Non-Roman scripts
{"타코", "%ED%83%80%EC%BD%94"},
{"世界", "%E4%B8%96%E7%95%8C"},
// Longest legal name
{strings.Repeat("a", maxLegalLength), strings.Repeat("a", maxLegalLength)},
// Line terminators besides CR and LF: https://en.wikipedia.org/wiki/Newline#Unicode
{"foo \u000b bar", "foo%20%0B%20bar"},
{"foo \u000c bar", "foo%20%0C%20bar"},
{"foo \u0085 bar", "foo%20%C2%85%20bar"},
{"foo \u2028 bar", "foo%20%E2%80%A8%20bar"},
{"foo \u2029 bar", "foo%20%E2%80%A9%20bar"},
// Null byte.
{"foo \u0000 bar", "foo%20%00%20bar"},
// Non-control characters that are discouraged, but not forbidden, according to the documentation.
{"foo # bar", "foo%20%23%20bar"},
{"foo []*? bar", "foo%20%5B%5D%2A%3F%20bar"},
// Angstrom symbol singleton and normalized forms: http://unicode.org/reports/tr15/
{"foo \u212b bar", "foo%20%E2%84%AB%20bar"},
{"foo \u0041\u030a bar", "foo%20A%CC%8A%20bar"},
{"foo \u00c5 bar", "foo%20%C3%85%20bar"},
// Hangul separating jamo: http://www.unicode.org/versions/Unicode7.0.0/ch18.pdf (Table 18-10)
{"foo \u3131\u314f bar", "foo%20%E3%84%B1%E3%85%8F%20bar"},
{"foo \u1100\u1161 bar", "foo%20%E1%84%80%E1%85%A1%20bar"},
{"foo \uac00 bar", "foo%20%EA%B0%80%20bar"},
}
// C0 control characters not forbidden by the docs.
var runes []rune
for r := rune(0x01); r <= rune(0x1f); r++ {
if r != '\u000a' && r != '\u000d' {
runes = append(runes, r)
}
}
tests = append(tests, testT{fmt.Sprintf("foo %s bar", string(runes)), "foo%20%01%02%03%04%05%06%07%08%09%0B%0C%0E%0F%10%11%12%13%14%15%16%17%18%19%1A%1B%1C%1D%1E%1F%20bar"})
// C1 control characters, plus DEL.
runes = nil
for r := rune(0x7f); r <= rune(0x9f); r++ {
runes = append(runes, r)
}
tests = append(tests, testT{fmt.Sprintf("foo %s bar", string(runes)), "foo%20%7F%C2%80%C2%81%C2%82%C2%83%C2%84%C2%85%C2%86%C2%87%C2%88%C2%89%C2%8A%C2%8B%C2%8C%C2%8D%C2%8E%C2%8F%C2%90%C2%91%C2%92%C2%93%C2%94%C2%95%C2%96%C2%97%C2%98%C2%99%C2%9A%C2%9B%C2%9C%C2%9D%C2%9E%C2%9F%20bar"})
opts := &SignedURLOptions{
GoogleAccessID: "xxx@clientid",
PrivateKey: dummyKey("rsa"),
Method: "GET",
MD5: "ICy5YqxZB1uWSwcVLSNLcA==",
Expires: time.Date(2002, time.October, 2, 10, 0, 0, 0, time.UTC),
ContentType: "application/json",
Headers: []string{"x-header1", "x-header2"},
}
for _, test := range tests {
g, err := SignedURL("bucket-name", test.name, opts)
if err != nil {
t.Errorf("SignedURL(%q) err=%v, want nil", test.name, err)
}
if w := "/bucket-name/" + test.want; !strings.Contains(g, w) {
t.Errorf("SignedURL(%q)=%q, want substring %q", test.name, g, w)
}
}
}
func TestCondition(t *testing.T) {
t.Parallel()
gotReq := make(chan *http.Request, 1)
hc, close := newTestServer(func(w http.ResponseWriter, r *http.Request) {
io.Copy(ioutil.Discard, r.Body)
gotReq <- r
w.WriteHeader(200)
})
defer close()
ctx := context.Background()
c, err := NewClient(ctx, option.WithHTTPClient(hc))
if err != nil {
t.Fatal(err)
}
obj := c.Bucket("buck").Object("obj")
dst := c.Bucket("dstbuck").Object("dst")
tests := []struct {
fn func()
want string
}{
{
func() { obj.Generation(1234).NewReader(ctx) },
"GET /buck/obj?generation=1234",
},
{
func() { obj.If(Conditions{GenerationMatch: 1234}).NewReader(ctx) },
"GET /buck/obj?ifGenerationMatch=1234",
},
{
func() { obj.If(Conditions{GenerationNotMatch: 1234}).NewReader(ctx) },
"GET /buck/obj?ifGenerationNotMatch=1234",
},
{
func() { obj.If(Conditions{MetagenerationMatch: 1234}).NewReader(ctx) },
"GET /buck/obj?ifMetagenerationMatch=1234",
},
{
func() { obj.If(Conditions{MetagenerationNotMatch: 1234}).NewReader(ctx) },
"GET /buck/obj?ifMetagenerationNotMatch=1234",
},
{
func() { obj.If(Conditions{MetagenerationNotMatch: 1234}).Attrs(ctx) },
"GET /storage/v1/b/buck/o/obj?alt=json&ifMetagenerationNotMatch=1234&projection=full",
},
{
func() { obj.If(Conditions{MetagenerationMatch: 1234}).Update(ctx, ObjectAttrsToUpdate{}) },
"PATCH /storage/v1/b/buck/o/obj?alt=json&ifMetagenerationMatch=1234&projection=full",
},
{
func() { obj.Generation(1234).Delete(ctx) },
"DELETE /storage/v1/b/buck/o/obj?alt=json&generation=1234",
},
{
func() {
w := obj.If(Conditions{GenerationMatch: 1234}).NewWriter(ctx)
w.ContentType = "text/plain"
w.Close()
},
"POST /upload/storage/v1/b/buck/o?alt=json&ifGenerationMatch=1234&projection=full&uploadType=multipart",
},
{
func() {
w := obj.If(Conditions{DoesNotExist: true}).NewWriter(ctx)
w.ContentType = "text/plain"
w.Close()
},
"POST /upload/storage/v1/b/buck/o?alt=json&ifGenerationMatch=0&projection=full&uploadType=multipart",
},
{
func() {
dst.If(Conditions{MetagenerationMatch: 5678}).CopierFrom(obj.If(Conditions{GenerationMatch: 1234})).Run(ctx)
},
"POST /storage/v1/b/buck/o/obj/rewriteTo/b/dstbuck/o/dst?alt=json&ifMetagenerationMatch=5678&ifSourceGenerationMatch=1234&projection=full",
},
}
for i, tt := range tests {
tt.fn()
select {
case r := <-gotReq:
got := r.Method + " " + r.RequestURI
if got != tt.want {
t.Errorf("%d. RequestURI = %q; want %q", i, got, tt.want)
}
case <-time.After(5 * time.Second):
t.Fatalf("%d. timeout", i)
}
if err != nil {
t.Fatal(err)
}
}
// Test an error, too:
err = obj.Generation(1234).NewWriter(ctx).Close()
if err == nil || !strings.Contains(err.Error(), "NewWriter: generation not supported") {
t.Errorf("want error about unsupported generation; got %v", err)
}
}
func TestConditionErrors(t *testing.T) {
t.Parallel()
for _, conds := range []Conditions{
{GenerationMatch: 0},
{DoesNotExist: false}, // same as above, actually
{GenerationMatch: 1, GenerationNotMatch: 2},
{GenerationNotMatch: 2, DoesNotExist: true},
{MetagenerationMatch: 1, MetagenerationNotMatch: 2},
} {
if err := conds.validate(""); err == nil {
t.Errorf("%+v: got nil, want error", conds)
}
}
}
// Test object compose.
func TestObjectCompose(t *testing.T) {
t.Parallel()
gotURL := make(chan string, 1)
gotBody := make(chan []byte, 1)
hc, close := newTestServer(func(w http.ResponseWriter, r *http.Request) {
body, _ := ioutil.ReadAll(r.Body)
gotURL <- r.URL.String()
gotBody <- body
w.Write([]byte("{}"))
})
defer close()
ctx := context.Background()
c, err := NewClient(ctx, option.WithHTTPClient(hc))
if err != nil {
t.Fatal(err)
}
testCases := []struct {
desc string
dst *ObjectHandle
srcs []*ObjectHandle
attrs *ObjectAttrs
wantReq raw.ComposeRequest
wantURL string
wantErr bool
}{
{
desc: "basic case",
dst: c.Bucket("foo").Object("bar"),
srcs: []*ObjectHandle{
c.Bucket("foo").Object("baz"),
c.Bucket("foo").Object("quux"),
},
wantURL: "/storage/v1/b/foo/o/bar/compose?alt=json",
wantReq: raw.ComposeRequest{
Destination: &raw.Object{Bucket: "foo"},
SourceObjects: []*raw.ComposeRequestSourceObjects{
{Name: "baz"},
{Name: "quux"},
},
},
},
{
desc: "with object attrs",
dst: c.Bucket("foo").Object("bar"),
srcs: []*ObjectHandle{
c.Bucket("foo").Object("baz"),
c.Bucket("foo").Object("quux"),
},
attrs: &ObjectAttrs{
Name: "not-bar",
ContentType: "application/json",
},
wantURL: "/storage/v1/b/foo/o/bar/compose?alt=json",
wantReq: raw.ComposeRequest{
Destination: &raw.Object{
Bucket: "foo",
Name: "not-bar",
ContentType: "application/json",
},
SourceObjects: []*raw.ComposeRequestSourceObjects{
{Name: "baz"},
{Name: "quux"},
},
},
},
{
desc: "with conditions",
dst: c.Bucket("foo").Object("bar").If(Conditions{
GenerationMatch: 12,
MetagenerationMatch: 34,
}),
srcs: []*ObjectHandle{
c.Bucket("foo").Object("baz").Generation(56),
c.Bucket("foo").Object("quux").If(Conditions{GenerationMatch: 78}),
},
wantURL: "/storage/v1/b/foo/o/bar/compose?alt=json&ifGenerationMatch=12&ifMetagenerationMatch=34",
wantReq: raw.ComposeRequest{
Destination: &raw.Object{Bucket: "foo"},
SourceObjects: []*raw.ComposeRequestSourceObjects{
{
Name: "baz",
Generation: 56,
},
{
Name: "quux",
ObjectPreconditions: &raw.ComposeRequestSourceObjectsObjectPreconditions{
IfGenerationMatch: 78,
},
},
},
},
},
{
desc: "no sources",
dst: c.Bucket("foo").Object("bar"),
wantErr: true,
},
{
desc: "destination, no bucket",
dst: c.Bucket("").Object("bar"),
srcs: []*ObjectHandle{
c.Bucket("foo").Object("baz"),
},
wantErr: true,
},
{
desc: "destination, no object",
dst: c.Bucket("foo").Object(""),
srcs: []*ObjectHandle{
c.Bucket("foo").Object("baz"),
},
wantErr: true,
},
{
desc: "source, different bucket",
dst: c.Bucket("foo").Object("bar"),
srcs: []*ObjectHandle{
c.Bucket("otherbucket").Object("baz"),
},
wantErr: true,
},
{
desc: "source, no object",
dst: c.Bucket("foo").Object("bar"),
srcs: []*ObjectHandle{
c.Bucket("foo").Object(""),
},
wantErr: true,
},
{
desc: "destination, bad condition",
dst: c.Bucket("foo").Object("bar").Generation(12),
srcs: []*ObjectHandle{
c.Bucket("foo").Object("baz"),
},
wantErr: true,
},
{
desc: "source, bad condition",
dst: c.Bucket("foo").Object("bar"),
srcs: []*ObjectHandle{
c.Bucket("foo").Object("baz").If(Conditions{MetagenerationMatch: 12}),
},
wantErr: true,
},
}
for _, tt := range testCases {
composer := tt.dst.ComposerFrom(tt.srcs...)
if tt.attrs != nil {
composer.ObjectAttrs = *tt.attrs
}
_, err := composer.Run(ctx)
if gotErr := err != nil; gotErr != tt.wantErr {
t.Errorf("%s: got error %v; want err %t", tt.desc, err, tt.wantErr)
continue
}
if tt.wantErr {
continue
}
url, body := <-gotURL, <-gotBody
if url != tt.wantURL {
t.Errorf("%s: request URL\ngot %q\nwant %q", tt.desc, url, tt.wantURL)
}
var req raw.ComposeRequest
if err := json.Unmarshal(body, &req); err != nil {
t.Errorf("%s: json.Unmarshal %v (body %s)", tt.desc, err, body)
}
if !testutil.Equal(req, tt.wantReq) {
// Print to JSON.
wantReq, _ := json.Marshal(tt.wantReq)
t.Errorf("%s: request body\ngot %s\nwant %s", tt.desc, body, wantReq)
}
}
}
// Test that ObjectIterator's Next and NextPage methods correctly terminate
// if there is nothing to iterate over.
func TestEmptyObjectIterator(t *testing.T) {
t.Parallel()
hClient, close := newTestServer(func(w http.ResponseWriter, r *http.Request) {
io.Copy(ioutil.Discard, r.Body)
fmt.Fprintf(w, "{}")
})
defer close()
ctx := context.Background()
client, err := NewClient(ctx, option.WithHTTPClient(hClient))
if err != nil {
t.Fatal(err)
}
it := client.Bucket("b").Objects(ctx, nil)
_, err = it.Next()
if err != iterator.Done {
t.Errorf("got %v, want Done", err)
}
}
// Test that BucketIterator's Next method correctly terminates if there is
// nothing to iterate over.
func TestEmptyBucketIterator(t *testing.T) {
t.Parallel()
hClient, close := newTestServer(func(w http.ResponseWriter, r *http.Request) {
io.Copy(ioutil.Discard, r.Body)
fmt.Fprintf(w, "{}")
})
defer close()
ctx := context.Background()
client, err := NewClient(ctx, option.WithHTTPClient(hClient))
if err != nil {
t.Fatal(err)
}
it := client.Buckets(ctx, "project")
_, err = it.Next()
if err != iterator.Done {
t.Errorf("got %v, want Done", err)
}
}
func TestCodecUint32(t *testing.T) {
t.Parallel()
for _, u := range []uint32{0, 1, 256, 0xFFFFFFFF} {
s := encodeUint32(u)
d, err := decodeUint32(s)
if err != nil {
t.Fatal(err)
}
if d != u {
t.Errorf("got %d, want input %d", d, u)
}
}
}
func newTestServer(handler func(w http.ResponseWriter, r *http.Request)) (*http.Client, func()) {
ts := httptest.NewTLSServer(http.HandlerFunc(handler))
tlsConf := &tls.Config{InsecureSkipVerify: true}
tr := &http.Transport{
TLSClientConfig: tlsConf,
DialTLS: func(netw, addr string) (net.Conn, error) {
return tls.Dial("tcp", ts.Listener.Addr().String(), tlsConf)
},
}
return &http.Client{Transport: tr}, func() {
tr.CloseIdleConnections()
ts.Close()
}
}